Pressure regulator



FIG. 1 shows a front view of a pressure regulator showing my new design;

FIG. 2 shows a rear view thereof;

FIG. 3 shows a right side view thereof;

FIG. 4 shows a left side view thereof;

FIG. 5 shows a top view thereof;

FIG. 6 shows a bottom view thereof;

FIG. 7 shows a top, front and left side perspective view thereof;

FIG. 8 shows a bottom, front and right side perspective view thereof;

FIG. 9 shows an enlarged partial cross-sectional view thereof, taken along line 9-9 in FIG. 6; and,

FIG. 10 shows a partial cross-sectional view thereof, taken along line 10-10 in FIG. 6.

The portions of the pressure regulator shown in broken lines in FIGS. 1, 6, 7, 8 and 10 are for the purpose of illustrating the environment only and form no part of the claimed design. 

The ornamental design for a pressure regulator, as shown and described. 